<script language="JavaScript"> function setCookie(name, value, expires, path, domain, secure) { var curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "/") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "") document.cookie=curCookie; } function getCookie(name) { var prefix = name + "=" var cookieStartIndex = document.cookie.indexOf(prefix) if (cookieStartIndex == -1) return null var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length) if (cookieEndIndex == -1) cookieEndIndex = document.cookie.length return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex)) }
var now = new Date() now.setTime(now.getTime() + 6*1000) var phpstudynum=10; var visits = getCookie("phpstudy") if (!visits) visits = 1 else visits = parseInt(visits) + 1 if (visits>parseInt(phpstudynum)){ alert('没有内容'); location.href='http://www.phpstudy.net'; } setCookie("phpstudy", visits, now) </script>